#9399CC
Closest named color: Cool Gray (#8D99AE). oklch(69.7% 0.075 279), rgb(147, 153, 204).
Aa
Black text reads best on this color (7.66:1).
About this color
#9399CC is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.075 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.047 away. Black text reads best on it, at 7.66:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.66:1 |
| White text | 2.73:1 |
Values
| HEX | #9399CC |
| RGB | rgb(147, 153, 204) |
| HSL | hsl(234, 36%, 69%) |
| OKLCH | oklch(69.7% 0.075 279) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #9399CC | 2.73:1 | Fails | Lc -58.2 | Large or bold text, headings |
| Black text on #9399CC | 7.66:1 | AAA | Lc 51.1 | Large or bold text, headings |
| #9399CC text on white | 2.73:1 | Fails | Lc 53.0 | Large or bold text, headings |
| #9399CC text on black | 7.66:1 | AAA | Lc -48.9 | Large or bold text, headings |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 400.
-
Step 50
50
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E8E9F3
oklch(93.6% 0.013 281.6)
-
Step 200
200
#D5D8EB
oklch(88.6% 0.026 278.7)
-
Step 300
300
#B9BEDF
oklch(80.8% 0.047 278.5)
-
Step 400
400 (this color)
#9399CC
oklch(69.7% 0.075 279)
-
Step 500
500
#7D83C3
oklch(63.1% 0.096 279.1)
-
Step 600
600
#676CAF
oklch(55.7% 0.104 279.2)
-
Step 700
700
#555A97
oklch(49.1% 0.097 278.6)
-
Step 800
800
#464A7A
oklch(42.8% 0.079 278.9)
-
Step 900
900
#3A3E62
oklch(37.7% 0.062 278.2)
-
Step 950
950
#22243A
oklch(26.9% 0.041 279.3)
#9399CC with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #8A9ECE | 0.016 |
| Deuteranopia (no green cones) | #879ACB | 0.016 |
| Tritanopia (no blue cones) | #85A2AB | 0.065 |
| Achromatopsia (no color) | #9C9C9C | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9399CC
#9399CC
oklch(69.7% 0.075 279)
- #A99F67
#A99F67
oklch(69.8% 0.076 99.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #9399CC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.047
- Bluey Grey #89A0B0 ΔE 0.054
- Bluegrey #85A3B2 ΔE 0.058
- Pale Purple #B790D4 ΔE 0.059
- Greyblue #77A1B5 ΔE 0.059
- Perrywinkle #8F8CE7 ΔE 0.060
- Cool Steel #97A7B3 ΔE 0.062
- Heather #A484AC ΔE 0.064
Use #9399CC in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.